ICD-10-CM > S00-T88 > S20-S29 > S23 > S23.1 > S23.16 > S23.162 S23.162 Subluxation of T11/T12 thoracic vertebra Non-Billable/Non-Specific Codes S23.162A..., initial encounterS23.162D..., subsequent encounterS23.162S..., sequela